CVE-2020-7067

Name: CVE-2020-7067
Creator: NVD / NIST
Published: 2020-04-27T21:15:14.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.31%

Last modified Jun 17, 2026

CVE-2020-7067 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.. EPSS estimates a 4.31% chance of exploitation in the next 30 days.

Description

In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

4.31%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php	Php	>= 7.2.0, < 7.2.30
Php	Php	>= 7.3.0, < 7.3.17
Php	Php	>= 7.4.0, < 7.4.5
Tenable	Tenable.Sc	< 5.19.0
Oracle	Communications Diameter Signaling Router	>= 8.0.0.0, <= 8.4.0.5
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://bugs.php.net/bug.php?id=79465Exploit, Vendor Advisory
https://security.netapp.com/advisory/ntap-20200504-0001/Third Party Advisory
https://www.debian.org/security/2020/dsa-4717Third Party Advisory
https://www.debian.org/security/2020/dsa-4719Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlNot Applicable, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory
https://bugs.php.net/bug.php?id=79465Exploit, Vendor Advisory
https://security.netapp.com/advisory/ntap-20200504-0001/Third Party Advisory
https://www.debian.org/security/2020/dsa-4717Third Party Advisory
https://www.debian.org/security/2020/dsa-4719Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlNot Applicable, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7067?

How severe is CVE-2020-7067?

CVE-2020-7067 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.31% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7067?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7067?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST